User`s guide

Mechanically Installing the DL3100 3-3
3
For more information about cable and connector pinout assignments, see
Appendix B, ÒDL3100 Connector and Pin Assignments.Ó
About Your Power Supply
You can have either an AC or DC power supply.
AC powerÑEach AC powered DL3100 comes with a 120 VAC/60 Hz
power cord.
DC powerÑA terminal strip is provided on the DL3100Õs rear panel for
power from a -48 VDC power source. Of the eight screws on the terminal
strip, the two far right screws (as youÕre facing the rear panel) are for DC
powering.
About Grounding
You will ground the DL3100 using a cable connected to a screw terminal on
the DL3100 rear panel. For information about grounding cables, see
Appendix A, ÒDL3100 Technical SpeciÞcations.Ó
Make sure your T3 network cable or remote system connects the T3
network shield to a ground.
25-twisted-pair cable
with 50-pin male
connectors
To connect the unit to a HSSI-compatible DTE
device
V.35-compatible,
shielded cable with DB-
25 male connector on
the DL3100 end
To connect the unit to a V.35-compatible DTE
device
T3 75 W coax RG59
cables
To connect the T3 network to the BNC network
connectors on the back panel
Ribbon-type cable with
DE-9 connectors
If connecting DL3100s in a daisy chain for
centralized management
NOTE: The DL3100 is designed to operate with negative power
supply. Be sure to connect the positive terminal to ground.
Table 3-2 Required Equipment (Continued)
Equipment Function